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Verified Reviews for Concrete Mudjacking pros in Corvallis, MT

*The Angi rating for Concrete Mudjacking companies in Corvallis, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Concrete Mudjacking needs.

*The HomeAdvisor rating for Concrete Mudjacking companies in Corvallis, MT is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Concrete Mudjacking needs.

Last update on January 28, 2026

Find Concrete mudjacking pros in Corvallis

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Groundworks
4.3(
28
)
Concrete - Injection Leveling - MudjackingConcrete - Injection Leveling - Mudjacking - For Business

Serving Corvallis, MT and surrounding areas

Approved (Corporate)

In business since 2010

Free estimates

Warranties offered

"WOW! Groundworks is a great, reliable company! We had the dream team, Ryan, Alejando (Alex) and Jose, working on our home. Ryan kept us informed on what was going on the during the whole project. Ryan and Alex were so reassuring of all our fears and concerns, we knew we were in good hands. Alex and Jose were so polite and talk about hard working!! All three of them went above and beyond, exceeding our expectations, saving some landscaping we didn't expect to be saved. They took great care with our landscaping and yard and did not cause any unexpected damage to any of it! They did a great job with the clean-up at the end of the job as well. These three men worked great together as a team. We were happy to see them everyday and a little sad when we said good bye."
Basement
Basement
Basement
Basement
Foundation

+16

Response time2 days
43 neighbors recently requested a quote
Recommended by72%of homeowners
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Concrete Mudjacking questions, answered by experts

Polyjacking can be a permanent solution to sunken concrete if you also address the underlying issue—like poor drainage—at the same time. The polyurethane material itself can last as long as or even outlast the concrete you’re lifting it with. Your sunken concrete issue will likely return if you don’t couple polyjacking with proper drainage to prevent future soil movement and sinking.

A slurry of cement, sand, and water is injected beneath the concrete to lift and stabilize it.

Most houses are expected to settle over time, but foundation sinking of more than a few inches or uneven sinking of more than an inch for every 20 feet is cause for concern. Any significant or uneven sinking should be assessed by a professional to determine the cause and perform any necessary repairs. 

Charges correlate with surface size, settlement depth, and access, often yielding significant savings over concrete replacement.

Polyjacking and mudjacking can both be effective solutions for sinking concrete, but they have key differences. Polyjacking, which uses expanding polyurethane foam, is often considered a better option because the foam is significantly lighter than the cementitious material used for mudjacking. This reduced weight puts less pressure on the underlying soil and lowers the risk of future sinking. Polyjacking is suitable for any sinking concrete slab, while mudjacking is typically only recommended for non-structural concrete, such as sidewalks, patios, pool decks, and driveways. The primary drawback of polyjacking is its cost, which can be up to four times higher than mudjacking—as much as $25 per square foot compared to a maximum of about $6 per square foot for mudjacking.

The Corvallis, MT homeowners’ guide to concrete mudjacking services

From average costs to expert advice, get all the answers you need to get your job done.

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